import java.io.File;

public class Demo2 {
    public static void main(String[] args) {
//        File file=new File("Test-dir");
//        file.mkdir();

        File file=new File("Test-dir/aaa/bb/c");
        File file1=new File("Test/aaa/bb/c");
        file.mkdirs();
        file1.mkdirs();
    }
}
